Example usage for javax.servlet ServletResponse isCommitted

Introduction

In this page you can find the example usage for javax.servlet ServletResponse isCommitted.

Prototype

public boolean isCommitted();

Source Link

Document

Returns a boolean indicating if the response has been committed.

Usage

From source file:org.nuxeo.ecm.platform.ui.web.auth.oauth2.NuxeoOAuth2Filter.java

protected void process(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;

    String uri = httpRequest.getRequestURI();
    if (uri.contains(OAUTH2_SEGMENT)) {
        String endpoint = uri.split(OAUTH2_SEGMENT)[1];

        switch (endpoint) {
        case ENDPOINT_AUTH:
            processAuthorization(httpRequest, httpResponse, chain);
            break;
        case ENDPOINT_TOKEN:
            processToken(httpRequest, httpResponse, chain);
            break;
        }//from   ww  w . jav a2s .c o  m
    } else if (isAuthorizedRequest(httpRequest)) {
        processAuthentication(httpRequest, httpResponse, chain);
    }

    if (!response.isCommitted()) {
        chain.doFilter(request, response);
    }
}

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From source file:org.onehippo.forge.hst.pdf.renderer.servlet.HtmlPDFRenderingFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    if (!(response instanceof HttpServletResponse)) {
        chain.doFilter(request, response);
        return;/*w w w .j  a va 2s . c  o  m*/
    }

    if (response.isCommitted()) {
        log.warn("The servlet response is already committed for the request: '{}'.",
                ((HttpServletRequest) request).getRequestURI());
        chain.doFilter(request, response);
        return;
    }

    ContentCapturingHttpServletResponse capturingResponse = null;
    InputStream htmlInputStream = null;
    Reader htmlReader = null;
    OutputStream pdfOutputStream = null;

    try {
        capturingResponse = new ContentCapturingHttpServletResponse((HttpServletResponse) response);
        chain.doFilter(request, capturingResponse);

        if (capturingResponse.isWrittenToPrintWriter()) {
            htmlReader = new CharArrayReader(capturingResponse.toCharArray());
        } else {
            htmlInputStream = new ByteArrayInputStream(capturingResponse.toByteArray());
            String characterEncoding = StringUtils.defaultIfBlank(capturingResponse.getCharacterEncoding(),
                    "UTF-8");
            htmlReader = new InputStreamReader(htmlInputStream, characterEncoding);
        }

        capturingResponse.close();
        capturingResponse = null;

        response.setContentType("application/pdf");

        StringBuilder headerValue = new StringBuilder("attachment");
        headerValue.append("; filename=\"").append(getDocumentFilename((HttpServletRequest) request))
                .append("\"");
        ((HttpServletResponse) response).addHeader("Content-Disposition", headerValue.toString());

        pdfOutputStream = response.getOutputStream();
        pdfRenderer.renderHtmlToPDF(htmlReader, true, pdfOutputStream,
                getDocumentURL((HttpServletRequest) request),
                getExternalLinkBaseURL((HttpServletRequest) request));
    } catch (Exception e) {

    } finally {
        if (capturingResponse != null) {
            capturingResponse.close();
        }

        IOUtils.closeQuietly(pdfOutputStream);
        IOUtils.closeQuietly(htmlReader);
        IOUtils.closeQuietly(htmlInputStream);
    }
}

---

From source file:org.sonar.server.platform.web.RootFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    if (request instanceof HttpServletRequest) {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        HttpServletResponse httpResponse = (HttpServletResponse) response;
        try {/*w w w .  ja  va2 s  .  c om*/
            doFilter(new ServletRequestWrapper(httpRequest), httpResponse, chain);
        } catch (Throwable e) {
            Loggers.get(RootFilter.class).error(format("Processing of request %s failed", toUrl(httpRequest)),
                    e);
            if (!response.isCommitted()) {
                httpResponse.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
        }
    } else {
        // Not an HTTP request, not profiled
        chain.doFilter(request, response);
    }
}

---

From source file:web.MockRequestDispatcher.java

@Override
public void forward(ServletRequest request, ServletResponse response) {
    if (response.isCommitted()) {
        throw new IllegalStateException("Cannot perform forward - response is already committed");
    }/*  w  ww.  j  a  va  2s  . co m*/
    getMockHttpServletResponse(response).setForwardedUrl(this.url);
    if (logger.isDebugEnabled()) {
        logger.debug("MockRequestDispatcher: forwarding to URL [" + this.url + "]");
    }
}

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